<form method="post" action="https://pay.platilka.com/" id="payment_platilka">
    <input type="hidden" name="api_id" value="2" />
    <input type="hidden" name="method" value="accept_payment" />
    <input type="hidden" name="subseller_id" value="#SUBSELLER_ID" />
    <input type="hidden" name="order_id" value="#ID_ORDER" />
    <input type="hidden" name="amount" value="#TOTAL_PRICE" />
    <input type="hidden" name="description" value="#DESCRIPTION" />    
    <a href="javascript:;" onclick="$('#payment_platilka').submit()" class="platilka_pay_link" ><:alohacart_payment_platilka:pay:></a>
</form>